@article {4019, title = {Cladoniaceae}, journal = {Nordic Lichen Flora}, volume = {5}, year = {2013}, pages = {117 pp.}, isbn = {978-91-85221-29-5}, author = {Ahti, T. and Stenroos, S. and Moberg, R.} } @book {2911, title = {Cladoniaceae}, series = {Nordic Lichen Flora}, volume = {5}, year = {2013}, pages = {116 pp}, publisher = {Nordic Lichen Society}, organization = {Nordic Lichen Society}, address = {Uppsala}, isbn = {978-91-85221-29-5}, author = {Ahti, T. and Stenroos, S.}, editor = {Ahti, T. and Stenroos, S. and Moberg, R.} }